Labels:car | crt screen | door | earth | memory | plant | plaything | ranch house | road | sky | windowpane OCR: PROC ES SING -15 The central processing unit of mainframe compute r usually contains several I integr: 'ated circuits and circuit boards microcompute r the central pro cessing unit is single inte- grated circuit called microprocessor Figure 5-15 shows microprocessor similar to the one that is probably in the computer vou use Fiqure 5-15 microprocessor intal pentium The central processing unit has two main parts: the arithmetic log ic unit pue the control unit. Each these units perform sp ecific tasksto process data The arithmetic logic unit (ALU) performs arithmetic operations such addition and subtraction. also performs logica operations such as comparing two numbers see if they are the same The ALU uses registers to hold that is being processed In the ALU the result of an arithmetic or l ...
